A high speed 880 channel digital interpolator network

A high speed 880 channel digital interpolator network

A high speed 800 channel digital interpolator network has been designed. The interpolator network accepts data from the demultiplexer onboard a satellite which separates 800 telephone channels from ground stations in an FDMA format into individual channels in a TDM format at 45 ksamples/sec/ch. The...

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Bibliographische Detailangaben
Hauptverfasser: Carty, C.A., Jamali, M.M., Eldin, A.G., Kwatra, S.C., Jones, R.E.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
CMOS technology
Costs
Demodulation
Frequency division multiaccess
Interpolation
NASA
Sampling methods
Satellite ground stations
Telephony
Time division multiplexing
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Zusammenfassung:A high speed 800 channel digital interpolator network has been designed. The interpolator network accepts data from the demultiplexer onboard a satellite which separates 800 telephone channels from ground stations in an FDMA format into individual channels in a TDM format at 45 ksamples/sec/ch. The interpolator then changes the sampling rate of the data input to 64 ksamples/sec/ch so that the demodulator onboard the satellite can correctly demodulate all of the 800 channels with a requirement of two samples/symbol data rate. An interpolator network has been implemented using 0.8 micron CMOS technology and is suitable for real time processing.
DOI:10.1109/ISCAS.1995.521457